<template>
  <div class="home">
    <a-layout>
      <a-layout-sider width="200" style="background: #fff">
        <a-menu
            mode="inline"
            :style="{height:'100%',borderRight:0}"
            @click="handleClick"
        >
          <a-menu-item key="welcome">
            <MailOutlined />
            <span>欢迎</span>
          </a-menu-item>
          <a-sub-menu v-for="item in level1" :key="item.id" >
            <template v-slot:title>
              <span><user-outlined />{{item.name}}</span>
            </template>
            <a-menu-item v-for="child in item.children" :key="child.id">
              <MailOutlined /><span>{{child.name}}</span>
            </a-menu-item>
          </a-sub-menu>
        </a-menu>
      </a-layout-sider>
      <a-layout-content
          :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
      >
        <div class="welcome" v-show="isShowWelcome">
          <the-welcome/>
        </div>

        <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :grid="{gutter:20,column:3}" :data-source="ebooks">

          <template #renderItem="{ item }">
            <a-list-item key="item.name">
              <template #actions>
                <span>
                  <component :is="'FileOutlined'" style="margin-right: 8px"/>
                  {{item.docCount}}
                </span>
                <span>
                  <component :is="'UserOutlined'" style="margin-right: 8px"/>
                  {{item.viewCount}}
                </span>
                <span>
                  <component :is="'LikeOutlined'" style="..."/>
                  {{item.voteCount}}
                </span>
              </template>

              <a-list-item-meta :description="item.description">
                <template #title>
                  <!--                  <a :href="item.href">{{ item.name }}</a>-->
                  <router-link :to="'/doc?ebookId='+item.id">
                    {{ item.name }}
                  </router-link>
                </template>
                <template #avatar><a-avatar :src="item.cover" /></template>
              </a-list-item-meta>

            </a-list-item>
          </template>
        </a-list>
      </a-layout-content>
    </a-layout>
  </div>
</template>

<script lang="ts">
import { defineComponent,onMounted,ref } from 'vue';
import axios from 'axios';
import {message} from 'ant-design-vue';
import {Tool} from '@/utils/tool';
import TheWelcome from "@/components/the-welcome.vue";


export default defineComponent({
  name: 'HomeView',
  components:{
    TheWelcome
  },
  // setup是Vue3中的初始化方法，组件加载完成后，初始回去执行这个方法。
  setup() {
    //分类相关
    const level1 = ref();
    let categorys:any;
    /*
    * 查询所有分类*/
    const  handleQueryCategory = ()=>{
      axios.get("/category/allList").then((resp)=>{
        const data = resp.data;
        categorys = data.content;

        if (data.success){
          level1.value = [];
          level1.value = Tool.array2Tree(data.content,0);
        } else {
          message.error(data.message);
        }
      });
    };
    let category2id=0;
    const isShowWelcome = ref(true);
    const handleClick = (value:any)=>{
      if(value.key=='welcome'){
        isShowWelcome.value=true;
      }else{
        isShowWelcome.value=false;
        category2id=value.key;
        handleQueryEbook();
      }
    }

    const ebooks = ref();
    const handleQueryEbook=()=>{
      axios.get("/ebook/getEbookListByPage",{
        params:{
          page:1,
          size:100,
          category2Id:category2id
        }
      }).then(function (resp) {
        const  data = resp.data.content.list;
        ebooks.value = data;
      })
    }
    onMounted(() => {
      handleQueryCategory();
    })
    return {
      ebooks,
      level1,
      handleClick,
      isShowWelcome,
      handleQueryEbook
    }
  }
});
</script>
<style scoped>
.ant-avatar {
  width: 50px;
  height: 50px;
  line-height: 50px;
  border-radius: 8%;
  margin: 5px 0;
}
</style>